text: 
  import babel from 'rollup-plugin-babel';
  
  export default {
    input: 'src/index.js',
    output: {
      file: 'build/cjs.js',
      format: 'cjs',
    },
    external: [
      'recompose/branch',
      'recompose/renderComponent',
      'recompose/renderNothing',
      'recompose/lifecycle',
    ],
    plugins: [
      babel({
        exclude: 'node_modules/**', // only transpile our source code
      }),
    ],
  };
  